diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390/s390-32/__makecontext_ret.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-32/__makecontext_ret.S | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/__makecontext_ret.S b/sysdeps/unix/sysv/linux/s390/s390-32/__makecontext_ret.S new file mode 100644 index 0000000000..ab172bb72e --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/s390-32/__makecontext_ret.S @@ -0,0 +1,48 @@ +/* Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> + +ENTRY(__makecontext_ret) + basr %r14,%r7 + ltr %r8,%r8 /* Check whether uc_link is 0. */ + jz 1f + lr %r2,%r8 + br %r9 +1: lhi %r2,0 /* EXIT return value. */ + basr %r13,0 +2: +#ifdef PIC + l %r12,4f-2b(%r13) + la %r12,0(%r12,%r13) /* GOT pointer in r12 after this. */ + l %r1,3f-2b(%r13) + bas %r14,0(%r1,%r12) + .align 4 +3: + .long HIDDEN_JUMPTARGET (exit)@GOTOFF +4: + .long _GLOBAL_OFFSET_TABLE_-2b +#else + l %r1,3f-2b(%r13) + basr %r14,%r1 + .align 4 +3: + .long HIDDEN_JUMPTARGET (exit) +#endif + .align 2 + j .+2 /* Trap if exit returns for some reason. */ +END(__makecontext_ret) |